ProtoStone
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About ProtoStone
ProtoStone is an offline card game with four classes, each with its own playstyle, and over 150 cards to collect. It supports local split-screen and includes 20 vibe/chillax songs or 20 fantasy-inspired tracks.
Frequently asked questions
Yes. ProtoStone is free to play on Steam, so there is nothing to buy to start playing.
The minimum requirements for ProtoStone are: Windows 7, GeForce GT 730, Intel Celeron G1820, 4 GB RAM, 1 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
Yes. ProtoStone has multiplayer and a single-player mode. It supports split-screen co-op and split-screen PvP.
Yes. ProtoStone is the full base game. You need nothing else to play it.
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